{"id":681,"date":"2018-01-26T19:00:02","date_gmt":"2018-01-27T00:00:02","guid":{"rendered":"https:\/\/www.veriheal.com\/blog\/?p=681"},"modified":"2022-07-27T13:30:54","modified_gmt":"2022-07-27T17:30:54","slug":"marijuana-blood-tests","status":"publish","type":"post","link":"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/","title":{"rendered":"How Do Cannabis Blood Tests Work?"},"content":{"rendered":"<p>If you&#8217;ve ever had to take a cannabis blood drug test, chances are you were <a href=\"https:\/\/www.veriheal.com\/blog\/corporations-that-drug-test-employees-for-thc\/\">applying for a job<\/a> or got pulled over while driving. Blood tests, while not as common as urine tests, have grown in popularity among law enforcement officers seeking ways to assess cannabis intoxication in drivers.<\/p>\n<p>Although <a href=\"https:\/\/www.veriheal.com\/blog\/how-long-does-cannabis-high-last\/#safe-to-drive\">driving under the influence of THC<\/a> is illegal, the violation is much harder to identify than drunk driving\u2014partially because THC does not impair driving the same way alcohol does and partially because police have not yet found a reliable method of proving current THC intoxication. While there are plenty of ways to test for cannabis, none of them are able to tell whether a person consumed cannabis an hour ago, yesterday, or even a month ago. Blood tests can, however, <a href=\"https:\/\/www.concentra.com\/resource-center\/articles\/what-is-a-drug-screen\/\" target=\"_blank\" rel=\"noopener\">reveal toxins within minutes<\/a>, making them ideal for situations like traffic stops.<\/p>\n<p>Blood tests essentially calculate how much THC is in the person&#8217;s bloodstream, and if the test is being administered during a traffic stop, the driver is not allowed to refuse it. A result of 5 nanograms\/milliliter is enough to spark a DUI conviction in some states despite the fact that the AAA Foundation for Traffic Safety says that this legal limit is \u201carbitrary and unsupported by science.&#8221;<\/p>\n<p>A nurse or a paramedic will draw the blood sample, usually from a vein in the arm or hand. For most people, a blood sample will only reveal THC for 1-2 days following consumption, though heavy\/frequent consumption could trigger a positive test for up to 7 days.<\/p>\n<p>Check out this post for more information on the various types of cannabis drug tests: <a href=\"https:\/\/www.veriheal.com\/blog\/discover-how-long-thc-can-be-detected-in-your-system\/\">Here\u2019s How Long Cannabis Can Be Detected in Your Body<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;ve ever had to take a cannabis blood drug test, chances are you were applying for a job or got pulled over while driving. Blood tests, while not as common as urine tests, have grown in popularity among law enforcement officers seeking ways to assess cannabis intoxication in drivers. Although driving under the influence&#8230;<\/p>\n","protected":false},"author":42,"featured_media":682,"parent":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[254],"tags":[],"class_list":["post-681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How do Marijuana Blood Tests Work?<\/title>\n<meta name=\"description\" content=\"Blood tests are not as common as other cannabis tests, but they&#039;re fairly accurate. 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Here&#039;s what you need to know if you find yourself having to take one.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/\" \/>\n<meta property=\"og:site_name\" content=\"Cannabis Central\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/veriheal\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-27T00:00:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-27T17:30:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2018\/01\/Untitled-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"886\" \/>\n\t<meta property=\"og:image:height\" content=\"590\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anthony Dutcher\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@veriheal\" \/>\n<meta name=\"twitter:site\" content=\"@veriheal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anthony Dutcher\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/\"},\"author\":{\"name\":\"Anthony Dutcher\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/#\/schema\/person\/dba153aed0a32f18929d33d68978d080\"},\"headline\":\"How Do Cannabis Blood Tests Work?\",\"datePublished\":\"2018-01-27T00:00:02+00:00\",\"dateModified\":\"2022-07-27T17:30:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/\"},\"wordCount\":292,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2018\/01\/Untitled-2.png\",\"articleSection\":[\"Lifestyle\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/#respond\"]}],\"copyrightYear\":\"2018\",\"copyrightHolder\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/\",\"url\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/\",\"name\":\"How do Marijuana Blood Tests Work?\",\"isPartOf\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/marijuana-blood-tests\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2018\/01\/Untitled-2.png\",\"datePublished\":\"2018-01-27T00:00:02+00:00\",\"dateModified\":\"2022-07-27T17:30:54+00:00\",\"description\":\"Blood tests are not as common as other cannabis tests, but they're fairly accurate. 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